Conduit bank risers

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Alwayslearningelec

Senior Member
Location
NJ
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Estimator
Ok, I'm sure I'm gonna catch grief but I would like to know the diffent scenerios for running conduit risers in a new construction building through several stories Yes I have never worried in the field bur I bust my A$$ in theboffice working 11 hour days at not a lot of $$$$$. I'm always spending my spare timebtrying learn. Well, I hope I'm worthy:grin:... The following is what I know...

1. Open shaft throughout all the floors??? How are the conduits supported? Box with cable supports?

2. They will pour floor then your have to sleeve all conduits. I guess you still need boxes and cables supports.

3. Unistrut attached to walls supporting conduits.

What is most common method? Thanks

Any pics would be greatly appreciated along with input.
 
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